A partial order defined by (, ), (, ) for odd .
Fence Poset
See also
Partial OrderExplore with Wolfram|Alpha
References
Ruskey, F. "Information on Ideals of Partially Ordered Sets." http://www.theory.csc.uvic.ca/~cos/inf/pose/Ideals.html.Referenced on Wolfram|Alpha
Fence PosetCite this as:
Weisstein, Eric W. "Fence Poset." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/FencePoset.html